Display device for a computer monitor



FIG. 1 is a perspective view of the display device for a computer monitor of the present invention, wherein a computer monitor is shown in broken lines for illustrative purposes only and forms no part of the claimed design;

FIG. 2 is a front elevational view of the display device for a computer monitor of FIG. 1;

FIG. 3 is a back elevational view of the display device for a computer monitor of FIG. 1;

FIG. 4 is a right side elevational view of the dislay device for a computer monitor of FIG. 1, the left side being a mirror image thereof;

FIG. 5 is a top plan view of the display device for a computer monitor of FIG. 1; and,

FIG. 6 is a bottom plan view of the display device for a computer monitor of FIG. 1. 

The ornamental design of a display device for a computer monitor, as shown and described. 